Fig. 1: Photonic Integrated hardware and control architecture of multipurpose programmable photonic circuits.
From: Multipurpose self-configuration of programmable photonic circuits
a Number of integrated phase shifters in recent waveguide mesh circuits (see Supplementary Note 11), b labeled field programmable photonic gate array (FPPGA) architecture, including a waveguide mesh core and high-performance building blocks, c FPPGA core employing a longitudinally parallel hexagonal waveguide mesh interconnection topology22, d electronic control subsystem, signals and software procedures to control the programmable photonic integrated circuit, e data array of the full scattering matrix of the FPPGA core, including input and output spatial ports and the optical spectral dimension. GP general-purpose, MEMA multichannel electrical monitoring array, MEDA multichannel electrical driving array, LU logic unit.
